You can also ask about how the different treatments might effect you and what your insurance is likely to cover.

When you think a doctor might tell about cancer -- for example, after you have gone through some testing -- you should bring someone with you, The Mayo clinic suggests.

That center also says that a second opinion is always reasonable, and that you should consider a National Cancer Institute-designated cancer centers. But it says that there is nothing to be gained from seeing several doctors if the first few you see concur.

Other experts advise asking if you will need to curtail normal activities -- including work -- while you go through treatment.

Many experts also note that you must learn what to expect from any treatment. Will it destroy a tumor and return you to full health, or will it merely weaken the cancer and lengthen your life by some amount of time?